Global plasma oscillations in electron internal transport barriers in TCV (9999)
Udintsev, V.S., Sauter, O., Asp, E., Fable, E., Goodman, T.P., Turri, G., ...
Sawtooth control and the interaction of energetic particles (2009)
Chapman, I.T., Igochine, V.G., Graves, J.P., Pinches, S.D., Gude, A., Jenkins, I., ...
BECOOL: Ballooning eigensolver with COOL finite elements (2009)
Cooper, G.A., Graves, J.P., Cooper, W.A., Gruber, R., Peterson, R.S.
An incompressible variational ideal ballooning mode equation is discretized with the COOL finite element discretization scheme using basis functions composed of variable order Legendre polynomials....
Three-dimensional anisotropic pressure free boundary equilibria (2009)
Cooper, W. A., Hirshman, S. P., Merkel, P., Graves, J. P., Kisslinger, J., Wobig, H. F. G., ...
Impact of pressure anisotropy on tokamak equilibria and the toroidal magnetic precession (2008)
Jucker, M., Graves, J.P., Cooper, G.A., Cooper, W.A.
Using a generalized anisotropic tokamak equilibrium and an exact guiding centre drift formulation, the effect of parallel and perpendicular anisotropy on the toroidal precession drift is...
Monte Carlo ICRH simulations in fully shaped anisotropic plasmas (2008)
Jucker, M., Graves, J.P., Cooper, W.A., Mellet, N., Brunner, S.
This work shows a self-consistent numerical model of ion cyclotron resonant heating (ICRH) in a plasma of arbitrary (2D or 3D) geometry. Effects of anisotropy and full shaping on both MHD equilibrium...
3D Plasma Equilibrium and Stability with Hot Particle Anisotropic Pressure (2008)
Cooper, A., Graves, J. P., Hirshman, S. P., Merkel, P., Kisslinger, J., Wobig, H. F. G., ...
Global plasma oscillations in electron internal transport barriers in TCV (2008)
Udintsev, V. S., Sauter, O., Asp, E., Fable, E., Goodman, T. P., Turri, G., ...
Sawtooth control using off-axis NBI (2008)
Chapman, I.T., Jenkins, I., Budny, R. V., Graves, J.P., Pinches, S. D., Saarelma, S.
Interaction between fast particles and turbulence (2008)
Albergante, M., Graves, J.P., Dannert, T., Fasoli, A., Zonca, F., Briguglio, S., ...
3D Plasma Equilibrium and Stability with Hot Particle Anisotropic Pressure (2008)
Cooper, W.A., Graves, J.P., Hirshman, S.P., Merkel, P., Kisslinger, J., Wobig, H.F.G., ...
Mechanism for blob generation in the TORPEX toroidal plasma (2008)
Furno, I., Labit, B., Fasoli, A., Poli, F. M., Ricci, P., Theiler, C., ...
Monte Carlo ICRH simulations in fully shaped anisotropic plasmas (2008)
Jucker, M., Graves, J. P., Cooper, W.A., Mellet, N., Brunner, S.
Global plasma oscillations in electron internal transport barriers in TCV (2008)
Udintsev, V.S., Sauter, O., Asp, E., Fable, E., Goodman, T.P., Turri, G., ...
3D Plasma Equilibrium and Stability with Hot Particle Pressure Anisotropy (2008)
Cooper, W.A., Graves,J.P., Hirshman, S.P., Merkel, P., Kisslinger, J., Wobig, H., ...
A new iterative method to compute the dielectric tensor in the low-frequency wave code LEMan (2008)
Mellet, N., Cooper, W.A., Jucker, M., Graves, J.P., Villard, L.
Control of Global Plasma Oscillations in TCV (2008)
Udintsev, V.S., Asp, E., Goodman, T.P., Graves, J.P., Sauter, O., Turri, G.
Fluid Plasma Stability in Stellarators with Anisotropic Energetic Species (2007)
Cooper, W.A., Graves, J.P., Jucker, M., Watanabe, K.Y., Narushima, Y.
Modification of sawtooth oscillations with ICRF waves in the JET tokamak (2007)
Mantsinen, M.J., Alper, B., Angioni, C., Buttery, R., Coda, S., ...
The Physics of Sawtooth Stabilisation (invited paper) (2007)
Chapman, I.T., Pinches, S.D., Graves, J.P., Akers, R.J., Appel, L.C., Budny, R.V., ...
Computational fusion plasma physics (2007)
Villard, L., Tran, T.M., Allfrey, S.J., Angelino, P., Bottino, A., Brunner, S., ...
Computational fusion plasma physics (2007)
Villard, L., Tran, T.M., Allfrey, S.J., Angelino, P., Bottino, A., Brunner, S., ...
Free boundary three-dimensional anisotropic pressure equilibria (2007)
Cooper, W.A., Hirshman, S.P., Graves, J.P., Jucker, M., Kisslinger, J., Merkel, P., ...
Safety factor corrections to the magnetohydrodynamic internal kink mode in a tokamak (2007)
It has long been acknowledged that the well known and frequently used stability criterion beta(p)< 0.3 for the toroidal ideal magnetohydrodynamic internal kink mode in a tokamak is inaccurate for an...
Turbulent transport in the TCV SOL (2007)
Garcia, O. E., Pitts, R. A., Horacek, J., Nielsen, A. H., Fundamenski, W., Graves, J. P., ...
From probe measurements in the far SOL of TCV it is demonstrated that while the particle density profile becomes increasingly broader with increasing line averaged density, the radial variation of...
Dissipative processes in interchange driven scrape-off layer turbulence (2007)
Fundamenski, W., Garcia, O. E., Naulin, V., Pitts, R. A., Nielsen, A. H., Rasmussen, J. J., ...
First principles expressions are given for the parameters governing collisional diffusion and parallel losses of mass, momentum and energy in tokamak scrape-off layer (SOL) plasmas. These...
Fluid magnetohydrodynamic stabilit in a heliotron with anisotropic fast particle species (2007)
Cooper, W. A., Graves, J. P., Jucker, M., Watanabe, K. Y., Narushima, Y., Yamaguchi, T.
The local and global fluid magnetohydrodynamic stability properties of anisotropic pressure plasmas are investigated with the Kruskal-Oberman and rigid hot particle Johnson et al energy principles. A...
Modeling sawtooth stabilization by energetic ions from neutral beam injection (2007)
Chapman, I. T., Pinches, S. D., Appel, L. C., Hastie, R. J., Hender, T. C., Saarelma, S., ...
Recent advances in modeling the effects of anisotropic energetic ion distributions have enabled the development of a complete coherent physics explanation of sawtooth stabilization in both...
Modification of sawtooth oscillations with ICRF waves in the JET tokamak (2007)
Mantsinen, M. J., Alper, B., Angioni, C., Buttery, R., Coda, S., Eriksson, L. G., ...
Turbulent transport in the TCV SOL (2006)
Garcia, O.E., Pitts, R.A., Horacek, J., Nielsen, A.H., Fundamenski, W., Graves, J.P., ...
Turbulent transport in the TCV SOL (2006)
Garcia, O.E., Pitts, R.A., Horacek, J., Nielsen, A.H., Fundamenski, W., Graves, J.P., ...
On the origin of anomalous radial transport in the tokamak SOL (2006)
Pitts, R.A., Horacek, J., Garcia, O.E., Fundamenski, W., Graves, J.P., Naulin, V., ...
On the origin of anomalous radial transport in the tokamak SOL (2006)
Horacek, J., Garcia, O.E., Pitts, R.A., Fundamenski, W., Graves, J.P., Naulin, V., ...
On the origin of anomalous radial transport in the tokamak SOL (2006)
Horacek, J., Garcia, O.E., Pitts, R.A., Fundamenski, W., Graves, J.P., Naulin, V., ...
Interchange turbulence in the TCV scrape-off layer (2006)
Garcia, O. E., Horacek, J., Pitts, R. A., Nielsen, A. H., Fundamenski, W., Graves, J. P., ...
Probe measurements of electrostatic plasma fluctuations in the scrape-off layer (SOL) of the TCV tokamak are compared with the results from two-dimensional interchange turbulence simulations....
Cooper, W. A., Graves, J. P., Tran, T. M., Gruber, R., Yamaguchi, T., Narushima, Y., ...
The three-dimensional (3-D) VMEC code has been modified to model an energetic species with a variant of a Bi-Maxwellian distribution function that satisfies the constraint B . del F-h = 0, and the...
Cooper, W. A., Graves, J. P., Jucker, M., Isaev, M. Y.
A Hamiltonian formulation of the relativistic guiding center drifts is extended to anisotropic pressure plasmas. The magnetic coordinates devised by Boozer are adapted to the anisotropic pressure...
Cooper, W. A., Graves, J. P., Hirshman, S. P., Yamaguchi, T., Narushima, Y., Okamura, S., ...
A formulation of the anisotropic pressure magnetohydrodynamic equilibrium problem for three-dimensional plasmas with imposed nested magnetic surfaces is developed based on a bi-Maxwellian model of...
Cross-machine NTM physics studies and implications for ITER (2005)
Buttery,R. J., Belo,P., Brennan,D. P., Coda,S., Goncalves,B., ...
Sawtooth control in fusion plasmas (2005)
Graves,J. P., Angioni,C., Budny,R. V., Buttery,R. J., Coda,S., ...
Cross-machine NTM physics studies and implications for ITER (2005)
Buttery, R. J., Belo, P., Brennan, D. P., Coda, S., Goncalves, B., ...
Sawtooth control in fusion plasmas. Invited paper (2005)
Graves, J. P., Angioni, C., Budny, R. V., Buttery, R. J., Coda, S., ...
Sawtooth control in fusion plasmas (2005)
Graves, J. P., Buttery, R. J., Coda, J. W., Eriksson, G. G., Gimblett, C. G., Hastie, R. J., ...
This version is available at the following Publisher URL: http://dx.doi.org/10.1088/0741-3335/47/12B/S10
The stability of the ideal internal kink mode in realistic tokamak geometry (2005)
Martynov, A., Graves, J. P., Sauter, O.
The ideal stability of the internal kink mode is analysed for realistic tokamak geometry. Accurate numerical results demonstrate convergence with Bussac's toroidal solution (Bussac M N, Pellat R...
Overview of edge electrostatic turbulence experiments on TCV (2005)
Horacek, J., Pitts, R. A., Graves, J. P.
Experiments on edge turbulence in the TCV tokamak have been performed for the first time at the beginning of 2003. This paper presents an overview of some of the results obtained, concentrating in...
Self-similar density turbulence in the TCV tokamak scrape-off layer (2005)
Graves, J. P., Horacek, J., Pitts, R. A., Hopcraft, K. I.
Plasma fluctuations in the scrape-off layer (SOL) of the TCV tokamak exhibit statistical properties which are universal across a broad range of discharge conditions. Electron density fluctuations,...
Sawtooth control in fusion plasmas (2005)
Graves, J. P., Angioni, C., Budny, R. V., Buttery, R. J., Coda, S., Eriksson, L. G., ...
Clear observations of early triggering of neo-classical tearing modes by sawteeth with long quiescent periods have motivated recent efforts to control, and in particular destabilize, sawteeth. One...
The stability of the internal kink mode is analyzed in terms of the essential properties of auxiliary heated ions. A fundamental difference between fusion born alpha particles and auxiliary heated...
Internal kink mode stabilization and the properties of auxiliary heated ions (2005)
The stability of the internal kink mode is analyzed in terms of the essential properties of auxiliary heated ions. A fundamental difference between fusion born alpha particles and auxiliary heated...
Interchange turbulence in the TCV scrape-off layer (2005)
Garcia, O.E., Horacek, J, Pitts, R A, Nielsen, A H, Fundamenski, W, Graves, J P, ...
Influence of asymmetric energetic ion distributions on sawtooth stabilization (2004)
The effect of energetic asymmetrically distributed ions on the stability of the internal kink mode in tokamaks is analyzed. Circulating ions which intersect the resonant surface due to finite radial...
Graves, J. P., Sauter, O., Gorelenkov, N. N.
For some time it has not been clear to what extent neutral injected beam ions have a stabilizing influence on sawteeth. To investigate this, the well known toroidal internal kink instability is...
Sawtooth control in view of controlling NTM seed islands (2002)
Graves, J.P., Angioni, C., Buttery, R.J., Goodman, T.P., Guenter, S., Henderson, M.A., ...
Graves, J. P., Dendy, R. O., Hopcraft, K. I., Jakeman, E.
Recent measurements in tokamak plasmas provide clear evidence for rapid nondiffusive transport and non-Gaussian fluctuations, and have been widely interpreted in terms of the sandpile and...
Cross-machine NTM physics studies and implications for ITER
Buttery,R. J., Belo,P., Brennan,D. P., Coda,S., Goncalves,B., ...
Voelker, R A, Gibson, W, Graves, J P, Sterling, J F, Eisenberg, M T
The nucleotide sequence of the Drosophila melanogaster suppressor of sable [su(s)] gene has been determined. Comparison of genomic and cDNA sequences indicates that an approximately 7,860-nucleotide...
The Oxfordshire mental handicap register.
Elliott, D, Jackson, J M, Graves, J P
A total of 2027 moderately or severely mentally handicapped people in Oxfordshire considered likely to require special services at some time have been identified for the Oxfordshire Mental Handicap...
Voelker, R A, Gibson, W, Graves, J P, Sterling, J F, Eisenberg, M T
The nucleotide sequence of the Drosophila melanogaster suppressor of sable [su(s)] gene has been determined. Comparison of genomic and cDNA sequences indicates that an approximately 7,860-nucleotide...
The Oxfordshire mental handicap register.
Elliott, D, Jackson, J M, Graves, J P
A total of 2027 moderately or severely mentally handicapped people in Oxfordshire considered likely to require special services at some time have been identified for the Oxfordshire Mental Handicap...